30695028 has 48 divisors (see below), whose sum is σ = 88152960. Its totient is φ = 8095104.

The previous prime is 30694997. The next prime is 30695033. The reversal of 30695028 is 82059603.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30695028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12963 + ... + 15146.

It is an arithmetic number, because the mean of its divisors is an integer number (1836520).

Almost surely, 2^30695028 is an apocalyptic number.

It is an amenable number.

30695028 is an abundant number, since it is smaller than the sum of its proper divisors (57457932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30695028 is a wasteful number, since it uses less digits than its factorization.

30695028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28136 (or 28134 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 30695028 is about 5540.3093776431. The cubic root of 30695028 is about 313.1045253763.

The spelling of 30695028 in words is "thirty million, six hundred ninety-five thousand, twenty-eight".